Seiko Cal. 0757 - 721

The Seiko 0757-721 represents an important milestone in Seiko's 1975 lineup. It features a White dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-6b9c710d64d2]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

8.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

100m

Dial Color

White

Jewels

21j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1975

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